RTÉ One +1 ·

Diagnosis Murder

Tuesday 27 October 2026, 12:15 – 13:10 UK time

Promises To Keep: Security guard Ryan Matthews shows up to identify the body of his murdered ex-wife, but it's not her.

Upcoming showings

Other scheduled episodes, repeats and reruns across all channels. All times are UK time.

GREAT! Mystery

Diagnosis Murder

Sunday 25 October 2026, 03:00 – 03:50

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GREAT! Mystery

Diagnosis Murder

Sunday 25 October 2026, 04:00 – 04:50

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GREAT! Mystery +1

Diagnosis Murder

Sunday 25 October 2026, 04:00 – 04:50

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GREAT! Mystery +1

Diagnosis Murder

Sunday 25 October 2026, 05:00 – 05:50

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GREAT! Mystery

Diagnosis Murder

Sunday 25 October 2026, 08:10 – 09:10

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GREAT! Mystery +1

Diagnosis Murder

Sunday 25 October 2026, 09:10 – 10:10

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GREAT! Mystery

Diagnosis Murder

Monday 26 October 2026, 04:00 – 04:50

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GREAT! Mystery +1

Diagnosis Murder

Monday 26 October 2026, 05:00 – 05:50

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RTÉ One HD

Diagnosis Murder

Monday 26 October 2026, 11:30 – 12:25

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RTÉ One +1

Diagnosis Murder

Monday 26 October 2026, 12:30 – 13:25

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GREAT! Mystery

Diagnosis Murder

Monday 26 October 2026, 15:00 – 16:00

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GREAT! Mystery

Diagnosis Murder

Monday 26 October 2026, 16:00 – 17:00

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GREAT! Mystery +1

Diagnosis Murder

Monday 26 October 2026, 16:00 – 17:00

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GREAT! Mystery +1

Diagnosis Murder

Monday 26 October 2026, 17:00 – 18:00

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RTÉ One HD

Diagnosis Murder

Tuesday 27 October 2026, 11:15 – 12:10

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GREAT! Mystery

Diagnosis Murder

Tuesday 27 October 2026, 15:00 – 16:00

→

GREAT! Mystery

Diagnosis Murder

Tuesday 27 October 2026, 16:00 – 17:00

→

GREAT! Mystery +1

Diagnosis Murder

Tuesday 27 October 2026, 16:00 – 17:00

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GREAT! Mystery +1

Diagnosis Murder

Tuesday 27 October 2026, 17:00 – 18:00

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RTÉ One HD

Diagnosis Murder

Wednesday 28 October 2026, 11:30 – 12:25

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